Repair and Fix IMEI number on Vivo X20 / X21 [PD1709F/PD1728F]
Are you a Vivo X20 and X21 (PD1709F / PD1728F) device user and facing issues with the invalid IMEI or unknown IMEI baseband? Then don’t worry. We got you covered. Here in this guide, we’ve provided the full guide on…